# Study sets matching "statistics chapter 4"

Study sets

Diagrams

Classes

Users

Bi-variate Data

Response Variable

Explanatory/Predictor Variable

Scatter Diagram

Data in which two variables are measured on an individual

The variable whose value can be explained by the value of the…

The variable whose value explains the response variable

A graph that shows the relationship between two quantitative v…

Bi-variate Data

Data in which two variables are measured on an individual

Response Variable

The variable whose value can be explained by the value of the…

Population

Sample

Sample survey

Convenience sample

in a statistical study is the entire group of individuals abou…

is the part of the population from which we actually collect i…

A study that asks questions of a sample drawn from some popula…

choosing individuals who are easiest to reach.

Population

in a statistical study is the entire group of individuals abou…

Sample

is the part of the population from which we actually collect i…

Bias

Census

Cluster sample

Convenience sample

The design of a statistical study shows bias if it would consi…

A study that attempts to collect data from every individual in…

To take a cluster sample, first divide the population into sma…

A sample selected by taking the members of the population that…

Bias

The design of a statistical study shows bias if it would consi…

Census

A study that attempts to collect data from every individual in…

Advertisement

comparison test for linear correlation

correlation coefficient

scatterplot

response variable

helps determine whether the correlation coefficient is strong…

measures the strength of the linear association between two va…

plot of the values of y, the response variable, vs the corresp…

y variable in regression analysis; dependent; outcome

comparison test for linear correlation

helps determine whether the correlation coefficient is strong…

correlation coefficient

measures the strength of the linear association between two va…

Population

Sample

Sample survey

Convenience sample

in a statistical study is the entire group of individuals abou…

is the part of the population from which we actually collect i…

A study that asks questions of a sample drawn from some popula…

choosing individuals who are easiest to reach.

Population

in a statistical study is the entire group of individuals abou…

Sample

is the part of the population from which we actually collect i…

Population

Sample

Sample Survey

Convenience Sample

The ... in a statistical study is the entire group of individu…

A subset of individuals in the population from which we actual…

A study that uses an organized plan to choose a sample that re…

Choosing individuals from the population who are easy to reach…

Population

The ... in a statistical study is the entire group of individu…

Sample

A subset of individuals in the population from which we actual…

Correlation Coefficient

Correlation coefficient equation

Response Variable

Predictor Variable

Also known as R, goes on a scale from -1 to 1. In terms of abs…

R=Sum of products of Z scores for X and Y values over n-1.

Also known as y, it is the variable you want to see if you can…

Also known as x, it is the variable you are trying to prove co…

Correlation Coefficient

Also known as R, goes on a scale from -1 to 1. In terms of abs…

Correlation coefficient equation

R=Sum of products of Z scores for X and Y values over n-1.

histogram

stem-and-leaf plot

dotplot

mode

Uses adjacent bars to show the distribution of values in a qua…

Shows quantitative data values in a way that sketches the dist…

Graphs a dot for each case against a single axis

A hump or high point in the shape of the distribution of a var…

histogram

Uses adjacent bars to show the distribution of values in a qua…

stem-and-leaf plot

Shows quantitative data values in a way that sketches the dist…

Experiment

Outcomes

Sample space

Tree Diagram

A process that, when performed, results in one and only one of…

These observations are called the outcomes of the experiment.

The collection of all outcomes for an experiment is called a s…

Experiment

A process that, when performed, results in one and only one of…

Outcomes

These observations are called the outcomes of the experiment.

classical probability

combination

complement of an event

compound event

uses sample space to determine the probability of an event; th…

selection of events without regard to order

set of outcomes in the sample space of an event that are not a…

an event that consists of two or more outcomes or simple events

classical probability

uses sample space to determine the probability of an event; th…

combination

selection of events without regard to order

Histogram

Gap

Shape (of a histogram)

Center (of a histogram)

A graph that uses adjacent bars to show the distribution of a…

A region of the distribution where there are no values.

A description of a histograms Modes, Symmetry, Outliers, and G…

The place in the distribution of a variable that you'd point t…

Histogram

A graph that uses adjacent bars to show the distribution of a…

Gap

A region of the distribution where there are no values.

Bias

Census

Cluster sample

Convenience sample

The design of a statistical study shows bias if it systematica…

A study that attempts to collect data from every individual in…

To take a cluster sample, first divide the population into sma…

A sample selected by taking the members of the population that…

Bias

The design of a statistical study shows bias if it systematica…

Census

A study that attempts to collect data from every individual in…

Sample survey

Population

Sample

Census

Is a study that uses an organized plan to choose a sample that…

The entire group of individuals that we want information about

Is a part of the population that we actually examine in order…

Attempts to contact every individual in the entire population

Sample survey

Is a study that uses an organized plan to choose a sample that…

Population

The entire group of individuals that we want information about

Bias

Census

Cluster sample

Convenience sample

The design of a statistical study shows bias if it would consi…

A study that attempts to collect data from every individual in…

To take a cluster sample, first divide the population into sma…

A sample selected by taking the members of the population that…

Bias

The design of a statistical study shows bias if it would consi…

Census

A study that attempts to collect data from every individual in…

Population

Sample

Sample Survey

Convenience Sample

The entire group of individuals about which we want information

The part of the population from which we actually collect info…

A survey which is carried out using a sampling method, i.e. in…

Choosing individuals who are easiest to reach...almost guarant…

Population

The entire group of individuals about which we want information

Sample

The part of the population from which we actually collect info…

Bayes Theorem

Multiplication of Probabilities(And)

Addition of Probablilities(Or)

Mutually Exclusive events

Based on conditions that might be related to the event. P(A|B)…

N means multiply

U means add

Bayes Theorem

Based on conditions that might be related to the event. P(A|B)…

Multiplication of Probabilities(And)

N means multiply

Binomial Experiment

Binomial Probability Formula

Continuous

Discrete

A probability experiment that satisfies these conditions... 1. Th…

...

A random variable is ____ when it has an uncountable number of…

A random variable is ____ when it has a finite or countable nu…

Binomial Experiment

A probability experiment that satisfies these conditions... 1. Th…

Binomial Probability Formula

...

Population

Sample

Sample survey

Convenience sample

in a statistical study is the entire group of individuals abou…

is the part of the population from which we actually collect i…

A study that asks questions of a sample drawn from some popula…

choosing individuals who are easiest to reach.

Population

in a statistical study is the entire group of individuals abou…

Sample

is the part of the population from which we actually collect i…

event

simple event

sample space

complement

any collection of results or outcomes of a procedure.

an outcome or an event that cannot be further broken down into…

consists of all possible simple events for a procedure.

consists of all outcomes in which a particular event does not…

event

any collection of results or outcomes of a procedure.

simple event

an outcome or an event that cannot be further broken down into…

Bias

Block

Census

Cluster sample

The design of a statistical study shows bias if it would consi…

A group of experimental units that are known before the experi…

A study that attempts to collect data from every individual in…

To take a cluster sample, first divide the population into sma…

Bias

The design of a statistical study shows bias if it would consi…

Block

A group of experimental units that are known before the experi…

Population

Sample

Sample Survey

Convenience Sample

The entire group of individuals about which we want information

The part of the population from which we actually collect info…

A survey which is carried out using a sampling method, i.e. in…

Choosing individuals who are easiest to reach...almost guarant…

Population

The entire group of individuals about which we want information

Sample

The part of the population from which we actually collect info…

Population

Sample

Sample survey

Convenience sample

in a statistical study is the entire group of individuals abou…

is the part of the population from which we actually collect i…

A study that asks questions of a sample drawn from some popula…

choosing individuals who are easiest to reach.

Population

in a statistical study is the entire group of individuals abou…

Sample

is the part of the population from which we actually collect i…

Population

Sample

Sample survey

Convenience sample

in a statistical study is the entire group of individuals abou…

is the part of the population from which we actually collect i…

A study that asks questions of a sample drawn from some popula…

choosing individuals who are easiest to reach. (Leads to stron…

Population

in a statistical study is the entire group of individuals abou…

Sample

is the part of the population from which we actually collect i…

scatterplot

positive linear relationship

negative linear relationship

no apparent relationship

a graph of points (X.,Y) each of which ... represent one observa…

X increases, y also tends to increase

X increases, Y tend to decease

X increases , Y tends to remain unchanged

scatterplot

a graph of points (X.,Y) each of which ... represent one observa…

positive linear relationship

X increases, y also tends to increase

Least-squares regression line

Slope of the regression line

Regression line intercept

The coefficient of determination, r^2

The sum of the vertical distances between the data points and…

Describes how much we expect y to change, on average, for ever…

The square of the correlation coefficient. Represents the frac…

Least-squares regression line

The sum of the vertical distances between the data points and…

Slope of the regression line

Describes how much we expect y to change, on average, for ever…